Jonkman John L
Verified against CSLB on · View on CSLB
License details
- License number
- 293670
- Status
- Active
- Classifications
- B · General Building
- Contractor bond
- $25,000
- Workers' comp
- Exempt
- License term on file
- May 7, 1974 – February 28, 2027
Business
- (714) 402 7604 (CSLB public record)
- P O BOX 8252, Fountain Valley, CA 92728Orange County
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Frequently asked questions
Is Jonkman John L licensed in California?
Yes. Jonkman John L holds an active California state contractor license (CSLB #293670), verified against the CSLB public record on June 17, 2026.
What is Jonkman John L's CSLB license number?
Jonkman John L's California contractor license number is 293670. You can verify it directly on the CSLB website: https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=293670
What kind of work is Jonkman John L licensed for?
Jonkman John L is classified under General Building (B) by the CSLB.
How do I verify Jonkman John L's license myself?
Look up license #293670 with the CSLB "Check a License" tool at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=293670. This page reflects the CSLB public record as of June 17, 2026.
See an error in this record? Report incorrect information. Status reflects CSLB data as of the date shown above.